Carrier profile · USDOT 38244 · MC-109443 · Updated Jun 13, 2026

SEABOARD TANK LINES INC

36 power unitsDUNMORE, PA40/100

CARRIER INACTIVEMC-109443 INACTIVE

Authority & Insurance

Active operating authority by type and the full insurance continuity timeline — insurer, policy, coverage, and any lapses — so you can confirm they can legally and adequately haul your load today.

Operating authority· 49 CFR · per type

Operating authority

Common: Inactive
Contract: None
Broker: None

Insurance & bonds

BIPD / liability$4,000,000 in force

Cargo filing (census)Not recorded per census

Surety bond (census)Not recorded per census

Insurance adequacy· filed BIPD vs the $750K federal floor

$4M in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $4M meets or exceeds the $750K federal minimum for general freight (49 CFR 387.9). Some commodities (hazmat, larger vehicles) require $1M–$5M — confirm against your load.

Insurance continuity· insurer · policy · lapses

$1M BIPD last filed ’05 · 6 insurers · 0 lapsesInsurer churn

Stonington’92–’98

National Union’97–’02

beyond this history

1992200120102019now

Shorter eras are too brief to label at this scale — all 6 insurers are named in the list below.

BIPD in force — $4,000,000 · GUARANTY NATIONAL INSURANCE CO. · since Oct 1994

All 6 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
PROGRESSIVE NORTHERN INSURANCE COMPANY	Oct 2004 → Dec 2005	$1M	1
THE INSURANCE CO OF THE STATE OF PENNSYLVANIA	Oct 2003 → Oct 2004	$1M	3
NORTHLAND INSURANCE COMPANY	Oct 2000 → Oct 2003	$1M	1
NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA	Oct 1997 → Mar 2002	$1M	2
LEGION INSURANCE COMPANY	Oct 1996 → Oct 1997	$1M	1
STONINGTON INSURANCE COMPANY	Oct 1992 → May 1998	$1M	2